[Bug 7718] New: The busybox cause kernel panic
bugzilla at busybox.net
bugzilla at busybox.net
Sat Dec 13 07:24:36 UTC 2014
https://bugs.busybox.net/show_bug.cgi?id=7718
Summary: The busybox cause kernel panic
Product: Busybox
Version: 1.19.x
Platform: Other
OS/Version: Linux
Status: NEW
Severity: critical
Priority: P5
Component: Other
AssignedTo: unassigned at busybox.net
ReportedBy: dong.sun.hiwifi at gmail.com
CC: busybox-cvs at busybox.net
Estimated Hours: 0.0
Hi,
I'm runnig openwrt kernel 3.3.8, busybox version 1.19.4. but I often
encountered a problem.
"Kernel panic - not syncing: Attempted to kill init!"
I collected the information below
<0>[86336.100000] TASK: pid(1) comm(init)
<0>[86336.100000] DIE: val(4) str(RI Fault) err(0) trapnr(10) signr(4)
<0>[86336.110000] Exception in user space:
<4>[86336.110000] Cpu 0
<4>[86336.110000] $ 0 : 00000000 77ecd4e8 00000000 00000054
<4>[86336.120000] $ 4 : 77ecd680 00467c28 00000002 7ff88c84
<4>[86336.120000] $ 8 : 00000000 00000000 800813f4 fffffff0
<4>[86336.130000] $12 : 00000001 00000800 00000400 00480000
<4>[86336.130000] $16 : 00000008 00000008 00000008 00000008
<4>[86336.140000] $20 : 00000008 00000008 00000016 00000000
<4>[86336.140000] $24 : 00000000 77eb12a0
<4>[86336.150000] $28 : 77ee83b0 7ff88b40 00460e84 7ff890bc
<4>[86336.150000] Hi : 00000003
<4>[86336.160000] Lo : 00000000
<4>[86336.160000] epc : 7ff890c0 0x7ff890c0
<4>[86336.160000] Tainted: G O
<4>[86336.170000] ra : 7ff890bc 0x7ff890bc
<4>[86336.170000] Status: 0000fc13 USER EXL IE
<4>[86336.170000] Cause : 30800028
<4>[86336.180000] PrId : 00019374 (MIPS 24Kc)
<4>[86336.180000]
Stack : 00000000 00000000 00000000 00000000 77ee83b0 00000000 00000000 77ec940c
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 77ea6954 000003e5 7ff88c74 7ff88c76 77eda000
7ff88c70 77eda000 000003e5 7ff8905b 00460e84 77ea6954 7ff88c74 7ff88c70
7ff88c70 ffffffff 77ee83b0 7ff88bac 00d00000 fffffffe 7ff88c76 7ff8905b
7ff88ca1 7ff88c76 7ff88c76 7ff8905b 00000000 7ff88bd4 00000000 00000000
77270448 77e9b95c 0000000a 00000072 77ee83b0 0000014d 77ee83b0 7ff88c5c
77f8d448 77eda000 7ff88ca2 77e9ab88 00d00000 fffffffe 004689f8 77ecd49e
77ee83b0 7ff88cd6 547a6d09 77ec940c 77ee0f00 7ff88c34 00000000 3c33303e
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 0045f048 77eda000 77e9a98c 00000000 00000000 00000000 00000000
270083b0 6f6f7427 547a6d08 77ec940c 77ee0f00 00000000 00000000 3c33303e
4e6f7620 33302030 393a3034 3a303820 696e6974 3a207072 6f636573 7320272f
7362696e 2f686964 61656d6f 6e272028 70696420 32393631 29206578 69746564
2e205363 68656475 6c696e67 20666f72 20726573 74617274 2e000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 7ff88d70 00000000 00000000 00000000 00000000
77f97000 00000000 77e7c550 77e80ff0 00000000 00000000 77f90014 7ff88e3c
00402b60 0047d6b4 0045f048 00470000 7ff88e3c 7ff88f48 0046725c 0045f048
00460000 00000002 77270448 00405048 00000000 00000000 77f97000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
7ff88f48 0046725c 0045f048 00460000 00000002 77270448 7f9e1a08 00451d90
77e7c550 00000008 00000008 00000003 00065ff8 00000000 00000000 2f736269
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
77f08b60 7ff88f70 77ee83b0 00000025 77eaab10 77ecd9ef 00000000 7ff89050
00000000 77eb0874 77ee83b0 00000000 77ee83b0 00467b38 77ee83b0 00467b3b
00000001 00830121 00000000 77eaa11c 77f9053c 00000008 00000008 00000000
fffffff6 00000057 77ee83b0 00000025 00000000 77ecd9ef 00000000 7ff88fc0
00000000 77eb0874 77ee83b0 00000000 77ee83b0 00467c6a 77ee83b0 00467c8d
00000021 7ff88fcb 00000000 77eaa11c 00031c7f 15010000 0011131a 00120f17
fffffff6 00000057 77ee83b0 00000000 00000000 77eb3a74 00400be4 7ff89020
Instruction dump:
77eda000 004689f8 00000000
00000001 7ff893e4 0000012c 0045f048 00460000
Show maps:
00400000-0046e000 r-xp 00000000 1f:03 2310 busybox
0047d000-0047e000 rw-p 0006d000 1f:03 2310 busybox
0047e000-0047f000 rwxp 00000000 00:00 0
0082f000-00831000 rwxp 00000000 00:00 0 [heap]
77e7a000-77ed0000 r-xp 00000000 1f:03 217 libuClibc-0.9.33.2.so
77ed0000-77edf000 ---p 00000000 00:00 0
77edf000-77ee0000 r--p 00055000 1f:03 217 libuClibc-0.9.33.2.so
77ee0000-77ee1000 rw-p 00056000 1f:03 217 libuClibc-0.9.33.2.so
77ee1000-77ee6000 rw-p 00000000 00:00 0
77ee6000-77ef9000 r-xp 00000000 1f:03 255 libgcc_s.so.1
77ef9000-77f08000 ---p 00000000 00:00 0
77f08000-77f09000 rw-p 00012000 1f:03 255 libgcc_s.so.1
77f09000-77f1b000 r-xp 00000000 1f:03 429 librpc.so
77f1b000-77f2b000 ---p 00000000 00:00 0
77f2b000-77f2c000 rw-p 00012000 1f:03 429 librpc.so
77f2c000-77f41000 r-xp 00000000 1f:03 256 libm-0.9.33.2.so
77f41000-77f50000 ---p 00000000 00:00 0
77f50000-77f51000 rw-p 00014000 1f:03 256 libm-0.9.33.2.so
77f51000-77f57000 r-xp 00000000 1f:03 258 libcrypt-0.9.33.2.so
77f57000-77f66000 ---p 00000000 00:00 0
77f66000-77f67000 rw-p 00005000 1f:03 258 libcrypt-0.9.33.2.so
77f67000-77f78000 rw-p 00000000 00:00 0
77f78000-77f7f000 r-xp 00000000 1f:03 214 ld-uClibc-0.9.33.2.so
77f8d000-77f8e000 rw-p 00000000 00:00 0
77f8e000-77f8f000 r--p 00006000 1f:03 214 ld-uClibc-0.9.33.2.so
77f8f000-77f90000 rw-p 00007000 1f:03 214 ld-uClibc-0.9.33.2.so
77f90000-77f91000 rw-p 00000000 00:00 0
7ff69000-7ff8a000 rwxp 00000000 00:00 0 [stack]
7fff7000-7fff8000 r-xp 00000000 00:00 0 [vdso]
Kernel panic - not syncing: Attempted to kill init!
I think this illegal instruction exception may be caused by the busybox.
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